I've played poly that's been in a racquet for 15 years. It was fine.
I sometimes hit with a very good player who has had the same poly in his racquet since last summer.
I also play with a couple of guys who like to "cut it out" after a few hours. There is no detectable difference in their...
Do your grips seem tapered?
While I can't believe I have to explain this to a presumably seasoned player, grips are the same size from end to end.
The buttcap slides on and would also slide on if the grip was cut to any length right up to where it has the tiny taper that blends it to the...
I'm currently dealing with a lesser degree of this.
Older guy who is too proud to do any fitness work and tries to jump back into action off months of being sedentary.
Gets into the cycle of destroying himself with a long session and then can't play again for weeks.